Strong hands‑on experience with the ETL(Informatica Power Center) and Teradata based ETL development, similarly Hadoop ecosystem (Hive, Impala, Spark, Kafka, Iceberg, Ranger, Atlas, Nifi, Flink etc.,), and data pipeline orchestration.
Proficiency in Java, Python, shell scripting, RESTful API development, and web frameworks such as Flask and React.
Create EDW ETL/ELT codes using Teradata SQL, Informatica, Apache Spark, QueryGrid to perform various transformations and load into Teradata based data warehouse or datamarts.
Performance tuning of highly complex applications to reduce resource usage.
Create framework using GCFR, shell scripts, BTEQ and shell scripts to automate end to end. Also to integrate with control.
Build in-house CDC framework using Java to process OLR logs from SAP(Oracle) and ingestion the data into Teradata. Create framework around this CDC ingestion to make it configurable.